Sony TRINITRON KV-20EXR20 Service Manual page 17

2. VMC (Vertical Mis-convergence) correction and
motion of the Electron Beam with the BMC Magnet.
VMC correction (A) VMC correction (B)
A nN
A
B
é
B
c<D c=0
c>o
c=D
R R OR OR
¢ . Cc s Cl g ,¢ G
ery o b o 0
B
OB
B 8
a (2) Dynamic Convergence Adjustment
Perpartion :
@ Before starting perform Horizontal and Vertical
Static convergence adjustment.
1. Slightly loosen deflection yoke screw.
2. Remove deflection yoke spacers.
KV-20EXR20
RM-Y103
Purity
V.STAT magnet
BMC (Hexapole) magnet
aw eee
we \-7
\.
3. Move the deflection yoke for best convergence as
shown below.
4. Tighten the deflection yoke screw.
5. Install the deflection yoke spacers.